Home / 18,343.26-27,516.71-6,657.39

Finding the Fourth Proportional to 18,343.26, 27,516.71 and 6,657.39

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Solution

The fourth proportional to 18,343.26, 27,516.71 and 6,657.39 is: 9,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.26 : 27,516.71 = 6,657.39 : x
  2. Step 2: Convert to fraction form
    18,343.26/27,516.71 = 6,657.39/x
  3. Step 3: Cross multiply
    18,343.26x = 27,516.71 × 6,657.39
  4. Step 4: Simplify right side
    18,343.26x = 183,189,469.99
  5. Step 5: Solve for x
    x = 183,189,469.99/18,343.26
  6. Step 6: Final answer
    x = 9,986.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.